Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial

[firefly-linux-kernel-4.4.55.git] / Documentation / input / alps.txt

diff --git a/Documentation/input/alps.txt b/Documentation/input/alps.txt
index 9c407f01d74f8fb36fc8d5c25d77d39a546e4b1c..ae8ba9a74ce13e68519c2afa535c4cd06a4827db 100644 (file)
--- a/Documentation/input/alps.txt
+++ b/Documentation/input/alps.txt
@@ -13,7 +13,8 @@ Detection
 
 All ALPS touchpads should respond to the "E6 report" command sequence:
 E8-E6-E6-E6-E9. An ALPS touchpad should respond with either 00-00-0A or
-00-00-64.
+00-00-64 if no buttons are pressed. The bits 0-2 of the first byte will be 1s
+if some buttons are pressed.
 
 If the E6 report is successful, the touchpad model is identified using the "E7
 report" sequence: E8-E7-E7-E7-E9. The response is the model signature and is